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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2021-06-27 16:18:10 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-07-01 16:14:37 -0300 |
| commit | 9bde93a79a897719f829225d0b541b4b11af2c24 (patch) | |
| tree | b8088b61a24ddb216715ea727e8380951a814c64 /tools/perf/util/perf_dlfilter.h | |
| parent | perf script: Add API for filtering via dynamically loaded shared object (diff) | |
| download | linux-dev-9bde93a79a897719f829225d0b541b4b11af2c24.tar.xz linux-dev-9bde93a79a897719f829225d0b541b4b11af2c24.zip | |
perf script: Add dlfilter__filter_event_early()
filter_event_early() can be more than 30% faster than filter_event()
because it is called before internal filtering. In other respects it
is the same as filter_event(), except that it will be passed events
that have yet to be filtered out.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210627131818.810-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/perf_dlfilter.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/perf_dlfilter.h b/tools/perf/util/perf_dlfilter.h index 82833ee8680d..f7a847fdee59 100644 --- a/tools/perf/util/perf_dlfilter.h +++ b/tools/perf/util/perf_dlfilter.h @@ -120,4 +120,10 @@ int stop(void *data, void *ctx); */ int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx); +/* + * The same as 'filter_event' except it is called before internal + * filtering. + */ +int filter_event_early(void *data, const struct perf_dlfilter_sample *sample, void *ctx); + #endif |